Very good write-up. I am also glad to see this all in one place.
I would like to add that even if the intake has not been changed, it would still be wise to check the MAF scaling. I have seen a couple STi's that needed MAF scaling with only a stage 2 setup. Also, I would have assumed that the SPT intake would not have needed any MAF scaling, but it actually needed quite a bit.
Once again, great job in compiling all this info.